mirror of
https://github.com/CesiumGS/obj2gltf.git
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b87c761073
* Upgrade prettier to 3.0.3 and format files. * Upgrade `eslint-config-cesium` and `eslint-config-prettier`. * Switch from the defunct `eslint-plugin-node` to `eslint-plugin-n` Since that is what `eslint-config-cesium` now uses. * Switch from pretty-quick to lint-staged
551 lines
20 KiB
JavaScript
551 lines
20 KiB
JavaScript
"use strict";
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const Cesium = require("cesium");
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const fsExtra = require("fs-extra");
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const loadMtl = require("../../lib/loadMtl");
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const loadTexture = require("../../lib/loadTexture");
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const obj2gltf = require("../../lib/obj2gltf");
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const clone = Cesium.clone;
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const coloredMaterialPath = "specs/data/box/box.mtl";
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const texturedMaterialPath =
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"specs/data/box-complex-material/box-complex-material.mtl";
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const texturedWithOptionsMaterialPath =
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"specs/data/box-texture-options/box-texture-options.mtl";
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const multipleMaterialsPath =
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"specs/data/box-multiple-materials/box-multiple-materials.mtl";
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const externalMaterialPath =
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"specs/data/box-external-resources/box-external-resources.mtl";
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const resourcesInRootMaterialPath =
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"specs/data/box-resources-in-root/box-resources-in-root.mtl";
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const externalInRootMaterialPath =
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"specs/data/box-external-resources-in-root/box-external-resources-in-root.mtl";
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const transparentMaterialPath =
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"specs/data/box-transparent/box-transparent.mtl";
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const sharedTexturesMaterialPath =
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"specs/data/box-shared-textures/box-shared-textures.mtl";
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const sharedTexturesMaterial2Path =
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"specs/data/box-shared-textures-2/box-shared-textures-2.mtl";
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const diffuseTexturePath = "specs/data/box-textured/cesium.png";
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const transparentDiffuseTexturePath =
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"specs/data/box-complex-material/diffuse.png";
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const alphaTexturePath = "specs/data/box-complex-material-alpha/alpha.png";
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const ambientTexturePath = "specs/data/box-complex-material/ambient.gif";
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const normalTexturePath = "specs/data/box-complex-material/bump.png";
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const emissiveTexturePath = "specs/data/box-complex-material/emission.jpg";
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const specularTexturePath = "specs/data/box-complex-material/specular.jpeg";
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const specularShininessTexturePath =
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"specs/data/box-complex-material/shininess.png";
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let diffuseTexture;
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let transparentDiffuseTexture;
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let alphaTexture;
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let ambientTexture;
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let normalTexture;
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let emissiveTexture;
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let specularTexture;
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let specularShininessTexture;
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const checkTransparencyOptions = {
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checkTransparency: true,
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};
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const decodeOptions = {
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decode: true,
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};
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let options;
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describe("loadMtl", () => {
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beforeAll(async () => {
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diffuseTexture = await loadTexture(diffuseTexturePath, decodeOptions);
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transparentDiffuseTexture = await loadTexture(
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transparentDiffuseTexturePath,
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checkTransparencyOptions,
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);
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alphaTexture = await loadTexture(alphaTexturePath, decodeOptions);
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ambientTexture = await loadTexture(ambientTexturePath);
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normalTexture = await loadTexture(normalTexturePath);
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emissiveTexture = await loadTexture(emissiveTexturePath);
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specularTexture = await loadTexture(specularTexturePath, decodeOptions);
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specularShininessTexture = await loadTexture(
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specularShininessTexturePath,
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decodeOptions,
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);
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});
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beforeEach(() => {
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options = clone(obj2gltf.defaults);
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options.overridingTextures = {};
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options.logger = () => {};
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});
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it("loads mtl", async () => {
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options.metallicRoughness = true;
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const materials = await loadMtl(coloredMaterialPath, options);
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expect(materials.length).toBe(1);
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const material = materials[0];
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const pbr = material.pbrMetallicRoughness;
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expect(pbr.baseColorTexture).toBeUndefined();
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expect(pbr.metallicRoughnessTexture).toBeUndefined();
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expect(pbr.baseColorFactor).toEqual([0.64, 0.64, 0.64, 1.0]);
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expect(pbr.metallicFactor).toBe(0.5);
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expect(pbr.roughnessFactor).toBe(96.078431);
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expect(material.name).toBe("Material");
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expect(material.emissiveTexture).toBeUndefined();
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expect(material.normalTexture).toBeUndefined();
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expect(material.ambientTexture).toBeUndefined();
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expect(material.emissiveFactor).toEqual([0.0, 0.0, 0.1]);
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expect(material.alphaMode).toBe("OPAQUE");
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expect(material.doubleSided).toBe(false);
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});
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it("loads mtl with textures", async () => {
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options.metallicRoughness = true;
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const materials = await loadMtl(texturedMaterialPath, options);
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expect(materials.length).toBe(1);
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const material = materials[0];
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const pbr = material.pbrMetallicRoughness;
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expect(pbr.baseColorTexture).toBeDefined();
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expect(pbr.metallicRoughnessTexture).toBeDefined();
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expect(pbr.baseColorFactor).toEqual([1.0, 1.0, 1.0, 0.9]);
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expect(pbr.metallicFactor).toBe(1.0);
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expect(pbr.roughnessFactor).toBe(1.0);
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expect(material.name).toBe("Material");
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expect(material.emissiveTexture).toBeDefined();
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expect(material.normalTexture).toBeDefined();
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expect(material.occlusionTexture).toBeDefined();
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expect(material.emissiveFactor).toEqual([1.0, 1.0, 1.0]);
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expect(material.alphaMode).toBe("BLEND");
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expect(material.doubleSided).toBe(true);
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});
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it("loads mtl with textures having options", async () => {
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options.metallicRoughness = true;
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const materials = await loadMtl(texturedWithOptionsMaterialPath, options);
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expect(materials.length).toBe(1);
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const material = materials[0];
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const pbr = material.pbrMetallicRoughness;
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expect(pbr.baseColorTexture).toBeDefined();
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expect(pbr.metallicRoughnessTexture).toBeDefined();
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expect(pbr.baseColorFactor).toEqual([1.0, 1.0, 1.0, 0.9]);
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expect(pbr.metallicFactor).toBe(1.0);
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expect(pbr.roughnessFactor).toBe(1.0);
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expect(material.name).toBe("Material");
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expect(material.emissiveTexture).toBeDefined();
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expect(material.normalTexture).toBeDefined();
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expect(material.occlusionTexture).toBeDefined();
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expect(material.emissiveFactor).toEqual([1.0, 1.0, 1.0]);
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expect(material.alphaMode).toBe("BLEND");
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expect(material.doubleSided).toBe(true);
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});
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it("loads mtl with multiple materials", async () => {
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options.metallicRoughness = true;
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const materials = await loadMtl(multipleMaterialsPath, options);
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expect(materials.length).toBe(3);
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expect(materials[0].name).toBe("Blue");
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expect(materials[0].pbrMetallicRoughness.baseColorFactor).toEqual([
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0.0, 0.0, 0.64, 1.0,
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]);
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expect(materials[1].name).toBe("Green");
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expect(materials[1].pbrMetallicRoughness.baseColorFactor).toEqual([
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0.0, 0.64, 0.0, 1.0,
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]);
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expect(materials[2].name).toBe("Red");
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expect(materials[2].pbrMetallicRoughness.baseColorFactor).toEqual([
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0.64, 0.0, 0.0, 1.0,
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]);
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});
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it("sets overriding textures", async () => {
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spyOn(fsExtra, "readFile").and.callThrough();
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options.overridingTextures = {
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metallicRoughnessOcclusionTexture: alphaTexturePath,
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baseColorTexture: alphaTexturePath,
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emissiveTexture: emissiveTexturePath,
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};
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const materials = await loadMtl(texturedMaterialPath, options);
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const material = materials[0];
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const pbr = material.pbrMetallicRoughness;
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expect(pbr.baseColorTexture.name).toBe("alpha");
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expect(pbr.metallicRoughnessTexture.name).toBe("alpha");
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expect(material.emissiveTexture.name).toBe("emission");
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expect(material.normalTexture.name).toBe("bump");
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expect(fsExtra.readFile.calls.count()).toBe(3);
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});
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it("loads texture outside of the mtl directory", async () => {
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const materials = await loadMtl(externalMaterialPath, options);
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const material = materials[0];
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const baseColorTexture = material.pbrMetallicRoughness.baseColorTexture;
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expect(baseColorTexture.source).toBeDefined();
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expect(baseColorTexture.name).toBe("cesium");
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});
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it("does not load texture outside of the mtl directory when secure is true", async () => {
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const spy = jasmine.createSpy("logger");
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options.logger = spy;
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options.secure = true;
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const materials = await loadMtl(externalMaterialPath, options);
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const material = materials[0];
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const baseColorTexture = material.pbrMetallicRoughness.baseColorTexture;
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expect(baseColorTexture).toBeUndefined();
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expect(
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spy.calls
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.argsFor(0)[0]
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.indexOf(
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"Texture file is outside of the mtl directory and the secure flag is true. Attempting to read the texture file from within the obj directory instead",
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) >= 0,
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).toBe(true);
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expect(spy.calls.argsFor(1)[0].indexOf("ENOENT") >= 0).toBe(true);
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expect(
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spy.calls.argsFor(2)[0].indexOf("Could not read texture file") >= 0,
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).toBe(true);
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});
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it("loads textures from root directory when the texture paths do not exist", async () => {
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const materials = await loadMtl(resourcesInRootMaterialPath, options);
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const material = materials[0];
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const baseColorTexture = material.pbrMetallicRoughness.baseColorTexture;
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expect(baseColorTexture.source).toBeDefined();
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expect(baseColorTexture.name).toBe("cesium");
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});
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it("loads textures from root directory when texture is outside of the mtl directory and secure is true", async () => {
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options.secure = true;
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const materials = await loadMtl(externalInRootMaterialPath, options);
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const material = materials[0];
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const baseColorTexture = material.pbrMetallicRoughness.baseColorTexture;
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expect(baseColorTexture.source).toBeDefined();
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expect(baseColorTexture.name).toBe("cesium");
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});
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it("alpha of 0.0 is treated as 1.0", async () => {
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const materials = await loadMtl(transparentMaterialPath, options);
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expect(materials.length).toBe(1);
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const material = materials[0];
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const pbr = material.pbrMetallicRoughness;
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expect(pbr.baseColorTexture).toBeUndefined();
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expect(pbr.metallicRoughnessTexture).toBeUndefined();
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expect(pbr.baseColorFactor[3]).toEqual(1.0);
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expect(material.alphaMode).toBe("OPAQUE");
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expect(material.doubleSided).toBe(false);
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});
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it("ambient texture is ignored if it is the same as the diffuse texture", async () => {
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const materials = await loadMtl(sharedTexturesMaterialPath, options);
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expect(materials.length).toBe(1);
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const material = materials[0];
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const pbr = material.pbrMetallicRoughness;
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expect(pbr.baseColorTexture).toBeDefined();
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expect(pbr.occlusionTexture).toBeUndefined();
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});
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it("texture referenced by specular is decoded", async () => {
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const materials = await loadMtl(sharedTexturesMaterialPath, options);
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expect(materials.length).toBe(1);
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const material = materials[0];
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const pbr = material.pbrMetallicRoughness;
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expect(pbr.baseColorTexture.pixels).toBeDefined();
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expect(pbr.baseColorTexture.source).toBeDefined();
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expect(pbr.metallicRoughnessTexture.pixels).toBeDefined();
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expect(pbr.metallicRoughnessTexture.source).toBeUndefined();
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});
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it("texture referenced by diffuse and emissive is not decoded", async () => {
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const materials = await loadMtl(sharedTexturesMaterial2Path, options);
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expect(materials.length).toBe(1);
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const material = materials[0];
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const pbr = material.pbrMetallicRoughness;
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expect(pbr.baseColorTexture).toBe(material.emissiveTexture);
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expect(pbr.baseColorTexture.pixels).toBeUndefined();
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expect(pbr.baseColorTexture.source).toBeDefined();
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});
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describe("metallicRoughness", () => {
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it("creates default material", () => {
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const material = loadMtl._createMaterial(undefined, options);
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const pbr = material.pbrMetallicRoughness;
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expect(pbr.baseColorTexture).toBeUndefined();
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expect(pbr.metallicRoughnessTexture).toBeUndefined();
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expect(pbr.baseColorFactor).toEqual([0.5, 0.5, 0.5, 1.0]);
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expect(pbr.metallicFactor).toBe(0.0); // No metallic
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expect(pbr.roughnessFactor).toBe(1.0); // Fully rough
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expect(material.emissiveTexture).toBeUndefined();
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expect(material.normalTexture).toBeUndefined();
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expect(material.ambientTexture).toBeUndefined();
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expect(material.emissiveFactor).toEqual([0.0, 0.0, 0.0]);
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expect(material.alphaMode).toBe("OPAQUE");
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expect(material.doubleSided).toBe(false);
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});
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it("creates material with textures", () => {
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options.metallicRoughness = true;
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const material = loadMtl._createMaterial(
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{
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diffuseTexture: diffuseTexture,
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ambientTexture: ambientTexture,
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normalTexture: normalTexture,
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emissiveTexture: emissiveTexture,
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specularTexture: specularTexture,
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specularShininessTexture: specularShininessTexture,
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},
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options,
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);
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const pbr = material.pbrMetallicRoughness;
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expect(pbr.baseColorTexture).toBeDefined();
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expect(pbr.metallicRoughnessTexture).toBeDefined();
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expect(pbr.baseColorFactor).toEqual([1.0, 1.0, 1.0, 1.0]);
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expect(pbr.metallicFactor).toBe(1.0);
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expect(pbr.roughnessFactor).toBe(1.0);
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expect(material.emissiveTexture).toBeDefined();
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expect(material.normalTexture).toBeDefined();
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expect(material.occlusionTexture).toBeDefined();
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expect(material.emissiveFactor).toEqual([1.0, 1.0, 1.0]);
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expect(material.alphaMode).toBe("OPAQUE");
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expect(material.doubleSided).toBe(false);
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});
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it("packs occlusion in metallic roughness texture", () => {
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options.metallicRoughness = true;
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options.packOcclusion = true;
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const material = loadMtl._createMaterial(
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{
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ambientTexture: alphaTexture,
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specularTexture: specularTexture,
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specularShininessTexture: specularShininessTexture,
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},
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options,
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);
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const pbr = material.pbrMetallicRoughness;
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expect(pbr.metallicRoughnessTexture).toBeDefined();
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expect(pbr.metallicRoughnessTexture).toBe(material.occlusionTexture);
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});
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it("does not create metallic roughness texture if decoded texture data is not available", () => {
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options.metallicRoughness = true;
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options.packOcclusion = true;
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const material = loadMtl._createMaterial(
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{
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ambientTexture: ambientTexture, // Is a .gif which can't be decoded
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specularTexture: specularTexture,
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specularShininessTexture: specularShininessTexture,
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},
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options,
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);
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const pbr = material.pbrMetallicRoughness;
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expect(pbr.metallicRoughnessTexture).toBeUndefined();
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expect(material.occlusionTexture).toBeUndefined();
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});
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it("sets material for transparent diffuse texture", () => {
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options.metallicRoughness = true;
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const material = loadMtl._createMaterial(
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{
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diffuseTexture: transparentDiffuseTexture,
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},
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options,
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);
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expect(material.alphaMode).toBe("BLEND");
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expect(material.doubleSided).toBe(true);
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});
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it("packs alpha texture in base color texture", () => {
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options.metallicRoughness = true;
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const material = loadMtl._createMaterial(
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{
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diffuseTexture: diffuseTexture,
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alphaTexture: alphaTexture,
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},
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options,
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);
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const pbr = material.pbrMetallicRoughness;
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expect(pbr.baseColorTexture).toBeDefined();
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let hasBlack = false;
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let hasWhite = false;
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const pixels = pbr.baseColorTexture.pixels;
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const pixelsLength = pixels.length / 4;
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for (let i = 0; i < pixelsLength; ++i) {
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const alpha = pixels[i * 4 + 3];
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hasBlack = hasBlack || alpha === 0;
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hasWhite = hasWhite || alpha === 255;
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}
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expect(hasBlack).toBe(true);
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expect(hasWhite).toBe(true);
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expect(pbr.baseColorFactor[3]).toEqual(1);
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expect(material.alphaMode).toBe("BLEND");
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expect(material.doubleSided).toBe(true);
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});
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it("uses diffuse texture if diffuse and alpha are the same", () => {
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options.metallicRoughness = true;
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const material = loadMtl._createMaterial(
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{
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diffuseTexture: diffuseTexture,
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alphaTexture: diffuseTexture,
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},
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options,
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);
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const pbr = material.pbrMetallicRoughness;
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expect(pbr.baseColorTexture).toBe(diffuseTexture);
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expect(material.alphaMode).toBe("BLEND");
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expect(material.doubleSided).toBe(true);
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});
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it("uses doubleSidedMaterial option", () => {
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options.metallicRoughness = true;
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options.doubleSidedMaterial = true;
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const material = loadMtl._createMaterial(undefined, options);
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expect(material.doubleSided).toBe(true);
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});
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});
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describe("specularGlossiness", () => {
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it("creates default material", () => {
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options.specularGlossiness = true;
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const material = loadMtl._createMaterial(undefined, options);
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const pbr = material.extensions.KHR_materials_pbrSpecularGlossiness;
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expect(pbr.diffuseTexture).toBeUndefined();
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expect(pbr.specularGlossinessTexture).toBeUndefined();
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expect(pbr.diffuseFactor).toEqual([0.5, 0.5, 0.5, 1.0]);
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expect(pbr.specularFactor).toEqual([0.0, 0.0, 0.0]); // No specular color
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expect(pbr.glossinessFactor).toEqual(0.0); // Rough surface
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expect(material.emissiveTexture).toBeUndefined();
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expect(material.normalTexture).toBeUndefined();
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expect(material.occlusionTexture).toBeUndefined();
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expect(material.emissiveFactor).toEqual([0.0, 0.0, 0.0]);
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expect(material.alphaMode).toBe("OPAQUE");
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expect(material.doubleSided).toBe(false);
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});
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it("creates material with textures", () => {
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options.specularGlossiness = true;
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const material = loadMtl._createMaterial(
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{
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diffuseTexture: diffuseTexture,
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ambientTexture: ambientTexture,
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normalTexture: normalTexture,
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emissiveTexture: emissiveTexture,
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specularTexture: specularTexture,
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specularShininessTexture: specularShininessTexture,
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},
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options,
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);
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const pbr = material.extensions.KHR_materials_pbrSpecularGlossiness;
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expect(pbr.diffuseTexture).toBeDefined();
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expect(pbr.specularGlossinessTexture).toBeDefined();
|
|
expect(pbr.diffuseFactor).toEqual([1.0, 1.0, 1.0, 1.0]);
|
|
expect(pbr.specularFactor).toEqual([1.0, 1.0, 1.0]);
|
|
expect(pbr.glossinessFactor).toEqual(1.0);
|
|
expect(material.emissiveTexture).toBeDefined();
|
|
expect(material.normalTexture).toBeDefined();
|
|
expect(material.occlusionTexture).toBeDefined();
|
|
expect(material.emissiveFactor).toEqual([1.0, 1.0, 1.0]);
|
|
expect(material.alphaMode).toBe("OPAQUE");
|
|
expect(material.doubleSided).toBe(false);
|
|
});
|
|
|
|
it("does not create specular glossiness texture if decoded texture data is not available", () => {
|
|
options.specularGlossiness = true;
|
|
|
|
const material = loadMtl._createMaterial(
|
|
{
|
|
specularTexture: ambientTexture, // Is a .gif which can't be decoded
|
|
specularShininessTexture: specularShininessTexture,
|
|
},
|
|
options,
|
|
);
|
|
|
|
const pbr = material.extensions.KHR_materials_pbrSpecularGlossiness;
|
|
expect(pbr.specularGlossinessTexture).toBeUndefined();
|
|
});
|
|
|
|
it("sets material for transparent diffuse texture", () => {
|
|
options.specularGlossiness = true;
|
|
|
|
const material = loadMtl._createMaterial(
|
|
{
|
|
diffuseTexture: transparentDiffuseTexture,
|
|
},
|
|
options,
|
|
);
|
|
|
|
expect(material.alphaMode).toBe("BLEND");
|
|
expect(material.doubleSided).toBe(true);
|
|
});
|
|
|
|
it("packs alpha texture in diffuse texture", () => {
|
|
options.specularGlossiness = true;
|
|
|
|
const material = loadMtl._createMaterial(
|
|
{
|
|
diffuseTexture: diffuseTexture,
|
|
alphaTexture: alphaTexture,
|
|
},
|
|
options,
|
|
);
|
|
|
|
const pbr = material.extensions.KHR_materials_pbrSpecularGlossiness;
|
|
expect(pbr.diffuseTexture).toBeDefined();
|
|
|
|
let hasBlack = false;
|
|
let hasWhite = false;
|
|
const pixels = pbr.diffuseTexture.pixels;
|
|
const pixelsLength = pixels.length / 4;
|
|
for (let i = 0; i < pixelsLength; ++i) {
|
|
const alpha = pixels[i * 4 + 3];
|
|
hasBlack = hasBlack || alpha === 0;
|
|
hasWhite = hasWhite || alpha === 255;
|
|
}
|
|
expect(hasBlack).toBe(true);
|
|
expect(hasWhite).toBe(true);
|
|
expect(pbr.diffuseFactor[3]).toEqual(1);
|
|
expect(material.alphaMode).toBe("BLEND");
|
|
expect(material.doubleSided).toBe(true);
|
|
});
|
|
|
|
it("uses diffuse texture if diffuse and alpha are the same", () => {
|
|
options.specularGlossiness = true;
|
|
|
|
const material = loadMtl._createMaterial(
|
|
{
|
|
diffuseTexture: diffuseTexture,
|
|
alphaTexture: diffuseTexture,
|
|
},
|
|
options,
|
|
);
|
|
|
|
const pbr = material.extensions.KHR_materials_pbrSpecularGlossiness;
|
|
expect(pbr.diffuseTexture).toEqual(diffuseTexture);
|
|
expect(material.alphaMode).toBe("BLEND");
|
|
expect(material.doubleSided).toBe(true);
|
|
});
|
|
|
|
it("uses doubleSidedMaterial option", () => {
|
|
options.specularGlossiness = true;
|
|
options.doubleSidedMaterial = true;
|
|
|
|
const material = loadMtl._createMaterial(undefined, options);
|
|
expect(material.doubleSided).toBe(true);
|
|
});
|
|
});
|
|
});
|